.logo{
    margin-top:-12px;
    width:100px;
    height:66px;
}
/* 搜索样式 */
.search{
    display: flex;
    justify-content: space-between;
}
.search>div>input{
    outline: none;
    border:1px dotted #333333;
    padding-left:15px;
    font-size:12px;
    height:36px;
}
.research{
    display: flex;
    justify-content: flex-start
}
.myava{
    display: flex;
    white-space: nowrap;
    margin-left:8px;
    line-height:30px;
    font-size:16px;
}
.myava>.login{
    color:#970393;
}
.myava>a:hover{
    color:#970393;
}
.ava{
    width:28px;
    height:28px;
    border-radius: 50%;
    margin-left:15px;
}
.username{
    display: block;
    width:60px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    font-size:14px;
}
/* 精品课程 */
.course{
    width:100%;
    display: flex;
    justify-content: space-between;
    height:100px;
    line-height:100px;
    align-items: center;
}
.course>h3{
    font-size:30px;
    font-family:MicrosoftYaHei;
    font-weight:400;
    color:rgba(51,51,51,1);
    
}
.getmore{
    width:100px;
    height:17px;
    font-size:16px;
    font-family:MicrosoftYaHei;
    font-weight:400;
    color:rgba(151,3,147,1);
    line-height:20px;
}
.getmore:hover{
    color:rgba(151,3,147,1);
}
/* 导航 */
.courser_nav{
    box-sizing: border-box;
    width:100%;
    background:rgba(247,247,247,1);
    height:70px;
    line-height: 70px;
    /* overflow-x:scroll; */
}

.courser_nav>ul{
    width:70%;
    display: flex;
    list-style-type: none;
    justify-content: space-around;
}
.courser_nav>ul>li{
    font-size:20px;
    color:#666666;
    cursor: pointer;
    height:80%;
    width:81px;    
}
.nav_active{
    color:rgba(151,3,147,1) !important;
}
.nav_active::after{
    content:"";
    display: block;
    width:100%;
    border:3px solid rgba(151,3,147,1);
    border-radius: 3px;
    width:100%;
    margin-top:-6px;
}
.coure_item{
    display: flex;
    flex-direction: column;
    width:24%;
    margin:25px 0;
    position: relative;
    margin-right:15px;
    height:279px;
}
.mycontent{
    position: relative;
    height:695px;
}

.mycontent_item{
    display: flex;
    flex-wrap: wrap;
    position: absolute;
    background:white;
}
.coure_item:hover{
    box-shadow:0px 3px 9px 0px rgba(153,153,153,0.22);
    border-radius:0px 0px 5px 5px;
}
.coure_item>p{
    font-weight:400;
    color:rgba(51,51,51,1);
    line-height:20px;
    width:100%;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    box-sizing: border-box;
    padding-left:15px;
}

#all>.coure_item:nth-child(4),#all>.coure_item:nth-child(8){
    margin-right: 0 !important;
}
#progress>.coure_item:nth-child(4){
    margin-right: 0 !important;
}
#ai>.coure_item:nth-child(4){
    margin-right: 0 !important;
}
#test>.coure_item:nth-child(4){
    margin-right: 0 !important;
}
#language>.coure_item:nth-child(4){
    margin-right: 0 !important;
}
#money>.coure_item:nth-child(4){
    margin-right: 0 !important;
}
#itnet>.coure_item:nth-child(4){
    margin-right: 0 !important;
}
#progress>.coure_item:nth-child(8){
    margin-right: 0 !important;
}
#ai>.coure_item:nth-child(8){
    margin-right: 0 !important;
}
#test>.coure_item:nth-child(8){
    margin-right: 0 !important;
}
#language>.coure_item:nth-child(8){
    margin-right: 0 !important;
}
#money>.coure_item:nth-child(8){
    margin-right: 0 !important;
}
#itnet>.coure_item:nth-child(8){
    margin-right: 0 !important;
}
.teacher{
    margin:15px;
}
.cour_pic{
    width:100%;
    height:180px;
    margin-bottom: 8px;
}
#comment>.coure_item:nth-child(4),#comment>.coure_item:nth-child(8),#comment>.coure_item:nth-child(12),#comment>.coure_item:nth-child(16){
    margin-right: 0 !important;
}
#well>.coure_item:nth-child(4),#well>.coure_item:nth-child(8),#well>.coure_item:nth-child(12),#comment>.coure_item:nth-child(16){
    margin-right: 0 !important;
}
#newcourse>.coure_item:nth-child(4),#newcourse>.coure_item:nth-child(8),#newcourse>.coure_item:nth-child(12),#comment>.coure_item:nth-child(16){
    margin-right: 0 !important;
}
.mask{
    width:100%;
    height:180px;
    background:rgba(0,0,0,.3);
    position: absolute;
    z-index:2;
    top:0;
    left:0;
    text-align: center;
    line-height: 180px;
    display: none;
    border-radius: 5px;
}
.coure_item:hover .mask{
    display: block;
}
.start_learn{
    display: inline-block;
    width:137px;
    height:35px;
    line-height:32px;
    border-radius:35px;
    color:white;
    border:2px solid white;
    text-align: center;
    font-size:16px;
}
.start_learn:hover{
    color:#970393;
    border:2px solid #970393;

}
.teacher>img{
    width:20px;
    height:20px;
    border-radius: 50%;
    margin-right:10px;
}
.teacher>span{
    font-size:12px;
    font-family:MicrosoftYaHei;
    font-weight:400;
    color:rgba(102,102,102,1);
    line-height:20px;
}
.renavs{
    width:30% !important;
}
.mycontent1{
    position: relative;
    height:1400px;
}
.recontent{
    height:1400px;
    width:100%;
    box-sizing: border-box;
    position:absolute;
    background:white;
}
.reparent{
    display: flex;
    flex-wrap: wrap;
}
.reparent>.coure_item:nth-child(4),.reparent>.coure_item:nth-child(8),.reparent>.coure_item:nth-child(12),.reparent>.coure_item:nth-child(16){
    margin-right: 0 !important;
}
ul.pagenation{
    list-style: none;
    display: flex;
    align-self: center;
    margin-bottom: 50px;
    margin-left:300px;
}
.pagenation>li{
    text-align: center;
    height:30px;
    line-height: 30px;
    width:30px;
    margin-right:15px;
    color:rgba(133,146,149,1);
    border:1px solid rgba(221,221,221,1);
}
.pagenation>li:first-child,.pagenation>li:last-child{
    width:100px;
    height:30px;
}
.page_active{
    width:30px;
height:30px;
color:white !important;
background:rgba(151,3,147,1);
}
/* footer */
.fp{
    height:200px;
    width:100%;
    background:rgba(68,69,70,1);
    position: relative;
}
.footer_detal{
    /* display: flex;
    align-items: center;
    flex-direction: column; */
    position: absolute;
    margin-left:-250px;
    top:50%;
    left:50%;
    width:500px;
    margin-top:-60px;
    text-align: center;
    line-height:30px;
    font-size:14px;
    font-family:MicrosoftYaHei;
    font-weight:400;
    color:rgba(255,255,255,1);
}
.copyright{
    font-size:14px;
    font-family:MicrosoftYaHei;
    font-weight:400;
    color:rgba(190,190,190,1);
}
.erweima{
    position: absolute;
    right:450px;
    color:white;
    top:30px;
}
.focus+img{
    width:125px;
    height:125px;
    margin-top:8px;
}